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11.
Effect of neodymium on the as-extruded ZK20 magnesium alloy 总被引：1，自引：1，他引：0
The effect of Nd addition on the microstructure and mechanical properties of ZK20 magnesium alloy was investigated by room tensile test, optical microscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM) in order to develop a magnesium alloy with higher ductility. Results showed that the crystal grains of as-extruded ZK20+0.5%Nd magnesium alloy were effectively refined, and the alloy exhibited higher strength and ductility, with the UTS of 237 MPa and the elongation of 32.8%, increasing by 5... 相似文献
12.
生产过程中发现CJ14.6 tex机织纱和CJ27.8 tex针织纱两个品种的多管细纱波谱图出现明显的机械波,对机械波产生的原因进行了分析,并依据分析结果采取了相应的解决措施,从而消除了机械波,稳定了产品质量. 相似文献
13.
本文对影响健美操表现力的因素做了较为细致的分析，提出了一些针对性的实施建议，力求能为提高健美操的感染力和推动健美操运动项目的发展提供参考。 相似文献